Consider vs What if

When to use each in English, with meaning, register, and examples.

Consider

Top 1,000 (very common)A2verb

What if

Top 1,000 (very common)
 ConsiderWhat if
Pronunciation🇬🇧 //kənˈsɪdə//🇺🇸 //kənˈsɪdər//🇬🇧 //wɒt ɪf//🇺🇸 //wɑt ɪf//
MeaningTo think about something carefully.a way to ask about possibilities or alternatives
ExampleI will consider your suggestion.What if we try a different approach?
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 1,000 (very common)
CEFR levelA2-
Part of speechverb
Collocationsconsider carefully, consider an option, consider a possibilitywhat if scenario, ask what if, think what if
Antonymsignore, dismiss, overlookdefinitely, certainly, indeed, for sure
Common mistakesConfuse with 'considering' which is a different form., Omit the object, e.g., saying 'Consider' without specifying what., Mix with 'contemplate', which has a deeper meaning.Use 'what ifs' incorrectly as a noun., Confuse 'what if' with 'if only'., 'What if' followed by a question mark is unnecessary.
Usage notesUse 'consider' when you are thinking about options or possibilities. It’s appropriate in both spoken and written contexts, but may sound too formal in casual conversations.Use 'what if' to propose questions about potential scenarios. It's common in discussions and brainstorming, but avoid in formal writing.

Frequently asked questions: Consider vs What if

What's the difference between Consider and What if?

Consider: To think about something carefully. What if: a way to ask about possibilities or alternatives

Can you show an example of each?

Consider: I will consider your suggestion. What if: What if we try a different approach?

Can I use Consider and What if interchangeably?

Not always. Consider and What if are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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